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Knowing Our Numbers Test - 2

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Knowing Our Numbers Test - 2
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Weekly Quiz Competition
  • Question 1
    1 / -0

    Suraj has Rs. 16,000 in his bank account. He wants to buy a smart phone and a pair of shoes. If the price of a pair of shoes and smart phone is Rs. 8,945 and Rs. 5,745, respectively, then which of the following is the best estimate for checking if he has enough money in the bank to buy these items? (Give your answer to the nearest thousands.)

    Solution

    According to the question:
    8945 + 5745 = 14690
    When rounded to the nearest thousands, we get 15000.
    Yes, he has enough money to buy the items.

     

  • Question 2
    1 / -0

    Forty one million two hundred eighty five thousand two hundred seventy one in numerals is written as

    Solution

    Forty one million two hundred eighty five thousand two hundred seventy one in numerals is written as 41285271.

     

  • Question 3
    1 / -0

    If the digits of a number move two places to the right in a place value chart, what will be the net effect on the value of the number?

    Solution

    The place value of a digit decreases by 100 times when the digit moves two places to the right.

     

  • Question 4
    1 / -0

    In a museum, it was written MMXVI on an artifact. How is this number written in Arabic numerals?

    Solution

    MMXVI = 2016 in Arabic numerals

     

  • Question 5
    1 / -0

    Which place values are in between hundred thousands and hundreds?

    Solution

    Ten thousands and thousands are in between hundred thousands and hundreds.

     

  • Question 6
    1 / -0

    If Bob's one day's pocket money is Rs. 40 and he saved his pocket money for 24 days, then the total money saved by him written in Roman numerals is

    Solution

    Money saved by him = 24 × 90 = 960
    X = 10, L = 50, C = 100, M = 1,000
    960 = 900 + 60,
    900 = 1000 - 100 = M - C = CM
    60 = 50 + 10 = L + X = LX
    Therefore, 960 = 900 + 60
    CM + LX = CMLX

     

  • Question 7
    1 / -0

    If the population of Denmark is 25740630. What is the number name in Indian system?

    Solution

    25740630 is two crore fifty seven lakh fourty thousand six hundred and thirty.

     

  • Question 8
    1 / -0

    A Giraffe is 4.3 m tall and a horse is 1.8 m tall. Estimate the sum of their heights by rounding off to the nearest whole number?

    Solution

    The sum of their heights = 4.3 + 1.8 = 6.1
    When rounded to nearest whole number, we get 6 m.

     

  • Question 9
    1 / -0

    The difference between the place value and face value of 6 in 72524567 is ________.

    Solution

    The place value of 6 is 60 and face value of 6 is 6.
    The difference between the place value and face value of 6 in 72524567 is (60 - 6 = 54).

     

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